[INFO] fetching crate iron-oxide 0.1.1...
[INFO] testing iron-oxide-0.1.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate iron-oxide 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate iron-oxide 0.1.1 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iron-oxide 0.1.1
[INFO] finished tweaking crates.io crate iron-oxide 0.1.1
[INFO] tweaked toml for crates.io crate iron-oxide 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate iron-oxide 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.0.52
[INFO] [stderr]   Downloaded hermit-abi v0.1.12
[INFO] [stderr]   Downloaded quote v1.0.4
[INFO] [stderr]   Downloaded png v0.16.3
[INFO] [stderr]   Downloaded deflate v0.8.4
[INFO] [stderr]   Downloaded winit v0.22.1
[INFO] [stderr]   Downloaded core-video-sys v0.1.3
[INFO] [stderr]   Downloaded instant v0.1.3
[INFO] [stderr]   Downloaded syn v1.0.18
[INFO] [stderr]   Downloaded dlib v0.4.1
[INFO] [stderr]   Downloaded colog v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 86d6e184049b4a8c6f4c7d06f0566ccb57da3df52315818f4a5a91076faae330
[INFO] running `Command { std: "docker" "start" "-a" "86d6e184049b4a8c6f4c7d06f0566ccb57da3df52315818f4a5a91076faae330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86d6e184049b4a8c6f4c7d06f0566ccb57da3df52315818f4a5a91076faae330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86d6e184049b4a8c6f4c7d06f0566ccb57da3df52315818f4a5a91076faae330", kill_on_drop: false }`
[INFO] [stdout] 86d6e184049b4a8c6f4c7d06f0566ccb57da3df52315818f4a5a91076faae330
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e08d7cc31d4ff930537603a862f03f527817654aa1fc54df16eba9da786d7b46
[INFO] running `Command { std: "docker" "start" "-a" "e08d7cc31d4ff930537603a862f03f527817654aa1fc54df16eba9da786d7b46", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling block v0.1.6
[INFO] [stderr]    Compiling malloc_buf v0.0.6
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling enumflags2_derive v0.6.4
[INFO] [stderr]    Compiling objc v0.2.7
[INFO] [stderr]    Compiling enumflags2 v0.6.4
[INFO] [stderr]    Compiling iron-oxide v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/device.rs:59:38
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub unsafe fn MTLCopyAllDevices() -> Vec<MTLDevice> {
[INFO] [stdout]    |               -----------------      ^^^^^^^^^^^^^^ expected struct `Vec`, found `()`
[INFO] [stdout]    |               |
[INFO] [stdout]    |               implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Vec<device::MTLDevice>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `MacOS` found for enum `RawWindowHandle` in the current scope
[INFO] [stdout]   --> src/layer.rs:15:30
[INFO] [stdout]    |
[INFO] [stdout] 15 |             RawWindowHandle::MacOS(handle) => {
[INFO] [stdout]    |                              ^^^^^ variant or associated item not found in `RawWindowHandle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `iron-oxide` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "e08d7cc31d4ff930537603a862f03f527817654aa1fc54df16eba9da786d7b46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e08d7cc31d4ff930537603a862f03f527817654aa1fc54df16eba9da786d7b46", kill_on_drop: false }`
[INFO] [stdout] e08d7cc31d4ff930537603a862f03f527817654aa1fc54df16eba9da786d7b46